Traceback when running the RTS report

When the "Scheduled certificates passed RTS" report runs, it has been creating this traceback.

Traceback (most recent call last):
File "/home/certification/hwcert-tools/certification_reports/certificate_check.py", line 261, in <module>
sys.exit(main())
File "/home/certification/hwcert-tools/certification_reports/certificate_check.py", line 221, in main
args.verbose)
File "/home/certification/hwcert-tools/certification_reports/certificate_check.py", line 90, in get_scheduled_certificates
params=request_params)
File "/home/certification/hwcert-tools/certification_reports/api_utils.py", line 79, in batch_query
self.max_retries))
api_utils.QueryError: 'Could not query https://certification.canonical.com succesfully after 10 tries.'